/* ─── TOKENS ─────────────────────────────── */
:root[data-theme="dark"] {
  --bg:          #070B14;
  --bg-card:     #0F1623;
  --bg-elevated: #192033;
  --primary:     #5B8EFF;
  --primary-dim: rgba(91,142,255,0.12);
  --accent:      #00E5B0;
  --accent-dim:  rgba(0,229,176,0.12);
  --text:        #E4EAF8;
  --text-muted:  #6B7FA3;
  --border:      rgba(91,142,255,0.14);
  --glow:        rgba(91,142,255,0.28);
  --nav-bg:      rgba(7,11,20,0.80);
  --shadow:      0 8px 40px rgba(0,0,0,0.5);
}
:root[data-theme="light"] {
  --bg:          #F2F5FF;
  --bg-card:     #FFFFFF;
  --bg-elevated: #E6ECFF;
  --primary:     #3B6EFF;
  --primary-dim: rgba(59,110,255,0.10);
  --accent:      #00A87E;
  --accent-dim:  rgba(0,168,126,0.10);
  --text:        #0D1526;
  --text-muted:  #5A6B8A;
  --border:      rgba(59,110,255,0.16);
  --glow:        rgba(59,110,255,0.18);
  --nav-bg:      rgba(242,245,255,0.85);
  --shadow:      0 8px 40px rgba(59,110,255,0.1);
}

/* ─── RESET ──────────────────────────────── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  transition: background 0.35s, color 0.35s;
  overflow-x: hidden;
  line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ─── NAV ────────────────────────────────── */
nav {
  position: fixed; top:0; left:0; right:0; z-index:200;
  height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6%;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 1.45rem; letter-spacing: -0.5px;
  color: var(--primary);
}
.nav-logo span { color: var(--accent); }
.nav-links { display:flex; gap:2rem; list-style:none; }
.nav-links a {
  color: var(--text-muted);
  font-size: 0.88rem; font-weight: 500;
  transition: color 0.2s;
  letter-spacing: 0.2px;
}
.nav-links a:hover { color: var(--primary); }
.theme-btn {
  display: flex; align-items: center; gap: 7px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 7px 16px;
  color: var(--text-muted);
  font-size: 0.82rem; font-weight: 500;
  transition: all 0.2s;
}
.theme-btn:hover { border-color: var(--primary); color: var(--primary); }
.hamburger {
  display: none;
  flex-direction: column; gap:5px;
  background: none; border: none;
  padding: 4px;
}
.hamburger span {
  display:block; width:22px; height:2px;
  background: var(--text-muted); border-radius:2px;
  transition: all 0.3s;
}

/* ─── HERO ───────────────────────────────── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 100px 6% 60px;
  position: relative; overflow: hidden;
}
.hero-grid {
  position: absolute; inset:0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.5;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  width: 700px; height: 700px;
  background: radial-gradient(circle, var(--glow) 0%, transparent 65%);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: left 0.4s ease, top 0.4s ease;
}
.hero-inner {
  position: relative; z-index:1;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  max-width: 1100px; width: 100%;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,229,176,0.25);
  border-radius: 50px;
  padding: 6px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; color: var(--accent);
  margin-bottom: 24px;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--accent); border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100%{ opacity:1; transform:scale(1); }
  50%{ opacity:0.5; transform:scale(0.75); }
}
h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 700; line-height: 1.07; letter-spacing: -1.5px;
  margin-bottom: 20px;
}
h1 .grad {
  background: linear-gradient(130deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  color: var(--text-muted); font-size: 1rem; line-height: 1.75;
  max-width: 440px; margin-bottom: 36px;
}
.hero-btns { display:flex; gap:14px; flex-wrap: wrap; }

/* ─── BUTTONS ────────────────────────────── */
.btn-prim {
  background: linear-gradient(135deg, var(--primary), #8B6EFF);
  color: #fff; border: none;
  padding: 13px 28px; border-radius: 8px;
  font-weight: 600; font-size: 0.9rem;
  box-shadow: 0 4px 20px var(--glow);
  transition: all 0.3s;
}
.btn-prim:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--glow); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
  padding: 13px 28px; border-radius: 8px;
  font-weight: 500; font-size: 0.9rem;
  transition: all 0.2s;
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ─── TERMINAL ───────────────────────────── */
.terminal-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden;
  box-shadow: var(--shadow);
}
.t-bar {
  background: var(--bg-elevated);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--border);
}
.t-dot { width:11px; height:11px; border-radius:50%; }
.t-red{background:#FF5F57;} .t-yel{background:#FEBC2E;} .t-grn{background:#28C840;}
.t-title {
  margin-left: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; color: var(--text-muted);
}
.t-body {
  padding: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; line-height: 1.85;
  min-height: 260px;
}
.tk-cmt{color:#4A6080;} .tk-kw{color:#C084FC;} .tk-str{color:#86EFAC;}
.tk-var{color:#93C5FD;} .tk-acc{color:var(--accent);} .tk-fn{color:#FCD34D;}
.t-cursor {
  display: inline-block; width: 2px; height: 0.95em;
  background: var(--accent); vertical-align: text-bottom;
  margin-left: 1px; animation: blink 1s steps(1) infinite;
}
@keyframes blink { 0%,100%{opacity:1;} 50%{opacity:0;} }

/* ─── SECTION SHARED ─────────────────────── */
section { padding: 96px 6%; }
.section-max { max-width: 1100px; margin: 0 auto; }
.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--accent);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.eyebrow::after {
  content:''; flex:0 0 48px; height:1px; background: var(--border);
}
.sec-h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem,3.5vw,2.7rem);
  font-weight:700; letter-spacing:-0.8px; margin-bottom:14px;
}
.sec-sub { color:var(--text-muted); font-size:0.97rem; line-height:1.75; max-width:520px; }

/* ─── SOFTWARE SHOWCASE ─────────────────────── */
#software { background: var(--bg); }
.software-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 20px;
}

.software-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
}

.software-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-color: var(--primary);
}

.software-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.software-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.software-card:hover .software-img img {
  transform: scale(1.05);
}

.software-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.software-info h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--text);
}

.software-info p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
  flex-grow: 1;
}

.software-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.software-tags span {
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0,229,176,0.2);
  font-family: 'JetBrains Mono', monospace;
}

.btn-download {
  display: inline-block;
  text-align: center;
  padding: 12px 20px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-download:hover {
  background: var(--accent);
  color: var(--bg);
  box-shadow: 0 4px 18px var(--accent-dim);
}

/* ─── ABOUT ──────────────────────────────── */
#about { background: var(--bg-card); }
.about-grid {
  display: grid; grid-template-columns: 320px 1fr;
  gap: 72px; align-items: center;
  max-width: 1100px; margin: 0 auto;
}
.profile-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 36px 28px; text-align: center;
  position: relative;
}
.profile-card::before {
  content:''; position:absolute; top:-1px; left:25%; right:25%; height:2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}
.avatar {
  width: 108px; 
  height: 108px; 
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  margin: 0 auto 18px;
  display: flex; 
  align-items: center; 
  justify-content: center;
  border: 3px solid var(--border);
  flex-shrink: 0;
  overflow: hidden;
}
.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.p-name { font-family: 'Space Grotesk', sans-serif; font-size: 1.25rem; font-weight: 700; margin-bottom: 4px; }
.p-role { color:var(--primary); font-size:0.82rem; font-weight:500; margin-bottom:24px; }
.p-info { list-style:none; text-align:left; display:flex; flex-direction:column; gap:12px; }
.p-info li {
  display:flex; align-items:center; gap:12px;
  font-size:0.82rem; color:var(--text-muted);
}
.p-icon {
  width:32px; height:32px; border-radius:8px;
  background:var(--bg-elevated); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size:0.85rem; flex-shrink:0;
}

/* Skills */
.skills-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap:14px; margin: 28px 0 32px;
}
.skill-chip {
  background:var(--bg-elevated); border:1px solid var(--border);
  border-radius:10px; padding:14px 16px;
}
.skill-head { display:flex; justify-content:space-between; align-items:center; margin-bottom:9px; }
.skill-nm { font-family:'JetBrains Mono',monospace; font-size:0.82rem; font-weight:600; }
.skill-lvl { font-size:0.72rem; color:var(--accent); }
.skill-track { height:4px; background:var(--border); border-radius:2px; overflow:hidden; }
.skill-fill {
  height:100%; width:0;
  background:linear-gradient(90deg, var(--primary), var(--accent));
  border-radius:2px; transition: width 1.4s cubic-bezier(.4,0,.2,1);
}

/* ─── EXPERIENCE / EDUCATION TIMELINE ────── */
#experience { background: var(--bg); }
.exp-cols {
  display:grid; grid-template-columns:1fr 1fr; gap:48px;
}
.exp-col-title {
  font-size:1.05rem; font-weight:700; margin-bottom:22px;
  display:flex; align-items:center; gap:10px;
}
.tl { position:relative; padding-left:28px; }
.tl::before {
  content:''; position:absolute; left:6px; top:6px; bottom:6px;
  width:2px; background:var(--border);
}
.tl-item { position:relative; padding-bottom:28px; }
.tl-item:last-child { padding-bottom:0; }
.tl-item::before {
  content:''; position:absolute; left:-28px; top:4px;
  width:12px; height:12px; border-radius:50%;
  background:var(--primary); border:2px solid var(--bg);
  box-shadow:0 0 0 2px var(--primary);
}
.tl-date {
  font-family:'JetBrains Mono', monospace; font-size:0.72rem;
  color:var(--primary); font-weight:600; margin-bottom:4px;
}
.tl-role { font-weight:600; font-size:0.95rem; margin-bottom:2px; }
.tl-org { font-size:0.84rem; color:var(--text-muted); }

/* ─── SERVICES ───────────────────────────── */
#services { background: var(--bg); }
.srv-intro {
  display:grid; grid-template-columns:1fr 1fr; gap:60px;
  align-items:center; margin-bottom:56px;
}
.srv-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:22px;
}
.srv-card {
  background:var(--bg-card); border:1px solid var(--border);
  border-radius:16px; padding:28px 24px;
  position:relative; overflow:hidden;
  transition: all 0.3s;
}
.srv-card::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg, var(--primary), var(--accent));
  transform:scaleX(0); transform-origin:left;
  transition:transform 0.35s;
}
.srv-card:hover {
  transform:translateY(-5px);
  border-color:rgba(91,142,255,0.4);
  box-shadow: 0 16px 48px var(--glow);
}
.srv-card:hover::after { transform:scaleX(1); }
.srv-icon {
  width:50px; height:50px;
  background:var(--bg-elevated); border:1px solid var(--border);
  border-radius:13px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.4rem; margin-bottom:18px;
}
.srv-card h3 {
  font-family:'Space Grotesk',sans-serif;
  font-size:1.05rem; font-weight:600; margin-bottom:8px;
}
.srv-card p { color:var(--text-muted); font-size:0.845rem; line-height:1.65; margin-bottom:22px; }
.btn-order {
  width:100%; background:var(--primary-dim);
  border:1px solid rgba(91,142,255,0.3);
  color:var(--primary); border-radius:8px;
  padding:10px; font-weight:600; font-size:0.85rem;
  transition:all 0.25s;
}
.btn-order:hover {
  background:linear-gradient(135deg,var(--primary),#8B6EFF);
  color:#fff; border-color:transparent;
  box-shadow:0 4px 18px var(--glow);
}

/* ─── CONTACT ────────────────────────────── */
#contact { background:var(--bg-card); }
.contact-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:64px;
  align-items:start; max-width:1000px; margin:0 auto;
}
.c-items { display:flex; flex-direction:column; gap:14px; margin-top:28px; }
.c-item {
  display:flex; align-items:center; gap:16px;
  background:var(--bg); border:1px solid var(--border);
  border-radius:12px; padding:18px;
  transition:border-color 0.2s;
}
.c-item:hover { border-color:var(--primary); }
.c-icon {
  width:42px; height:42px; border-radius:10px;
  background:var(--bg-elevated); border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; flex-shrink:0;
}
.c-label { font-size:0.72rem; color:var(--text-muted); margin-bottom:2px; }
.c-val { font-weight:600; font-size:0.88rem; }
.contact-link{color:inherit;text-decoration:none;transition:color .2s ease;}
.contact-link:hover{color:#25D366;text-decoration:underline;cursor:pointer;}

/* Order/Contact Form */
.form-box {
  background:var(--bg); border:1px solid var(--border);
  border-radius:18px; padding:32px;
  position:relative;
}
.form-box::before {
  content:''; position:absolute; top:-1px; left:20%; right:20%; height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
}
.form-box-title {
  font-family:'Space Grotesk',sans-serif;
  font-size:1.2rem; font-weight:700; margin-bottom:22px;
}
.fg { margin-bottom:14px; }
.fg label { display:block; font-size:0.77rem; color:var(--text-muted); font-weight:500; margin-bottom:6px; }
.fg input, .fg textarea, .fg select {
  width:100%; background:var(--bg-elevated);
  border:1px solid var(--border); border-radius:8px;
  padding:11px 14px; color:var(--text);
  font-family:'Inter',sans-serif; font-size:0.875rem;
  outline:none; transition:border-color 0.2s;
}
.fg input:focus, .fg textarea:focus, .fg select:focus { border-color:var(--primary); }
.fg textarea { height:100px; resize:vertical; }
.fg select option { background:var(--bg-card); }
.success-note {
  display:none; margin-top:14px;
  background:var(--accent-dim); border:1px solid rgba(0,229,176,0.35);
  border-radius:8px; padding:13px 16px;
  color:var(--accent); font-size:0.875rem; text-align:center;
}
.success-note.show { display:block; }

/* Language badges */
.lang-row { display:flex; gap:10px; flex-wrap:wrap; margin-top:8px; }
.lang-badge {
  background:var(--primary-dim); border:1px solid rgba(91,142,255,0.25);
  color:var(--primary);
  font-family:'JetBrains Mono',monospace; font-size:0.78rem; font-weight:600;
  padding:5px 14px; border-radius:50px;
}

/* ─── FOOTER ─────────────────────────────── */
footer {
  text-align:center; padding:36px 6%;
  border-top:1px solid var(--border);
  color:var(--text-muted); font-size:0.82rem;
}
footer strong { color:var(--primary); }

/* ─── ANIMATIONS ─────────────────────────── */
.reveal {
  opacity:0; transform:translateY(24px);
  transition:opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in { opacity:1; transform:translateY(0); }

/* ─── MOBILE NAV DRAWER ─────────────────── */
.mobile-nav {
  position:fixed; top:68px; left:0; right:0; z-index:199;
  background:var(--bg-card); border-bottom:1px solid var(--border);
  padding:20px 6%;
  display:none; flex-direction:column; gap:18px;
}
.mobile-nav.open { display:flex; }
.mobile-nav a {
  color:var(--text-muted); font-size:0.95rem; font-weight:500;
  padding:6px 0; border-bottom:1px solid var(--border);
}
.mobile-nav a:hover { color:var(--primary); }

/* =========================================
   MOBILE RESPONSIVENESS (All Sections)
   ========================================= */

/* ─── TABLET & SMALLER (max-width: 992px) ─── */
@media (max-width: 992px) {
  .hero-inner,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .terminal-wrap {
    margin-top: 20px;
  }

  .exp-cols {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .srv-grid,
  .software-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* ─── MOBILE PHONES (max-width: 768px) ─── */
@media (max-width: 768px) {
  
  /* --- Global Spacing --- */
  section {
    padding: 60px 20px !important;
  }

  .section-max {
    padding: 0 15px;
  }

  /* --- Typography --- */
  .sec-h2 {
    font-size: 1.8rem;
    line-height: 1.3;
  }

  .sec-sub {
    font-size: 0.95rem;
  }

  /* --- Navigation --- */
  .nav-links {
    display: none; 
  }

  .hamburger {
    display: flex; 
  }

  .nav-logo {
    font-size: 1.2rem;
  }

  /* --- Hero Section --- */
  .hero-inner h1 {
    font-size: 2.2rem;
  }

  .hero-sub {
    font-size: 1rem;
  }

  .hero-btns {
    flex-direction: column;
    width: 100%;
  }

  .hero-btns button {
    width: 100%;
  }

  .terminal-wrap {
    font-size: 0.8rem;
  }

  /* --- Software Showcase --- */
  .software-grid {
    grid-template-columns: 1fr;
  }

  .software-img {
    height: 180px;
  }

  .software-info {
    padding: 18px;
  }

  .software-info h3 {
    font-size: 1.1rem;
  }

  /* --- About Section --- */
  .profile-card {
    padding: 20px;
  }

  .avatar img {
    width: 120px;
    height: 120px;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  /* --- Experience Section --- */
  .exp-col-title {
    font-size: 1.1rem;
  }

  .tl-item {
    padding-left: 20px;
  }

  /* --- Services Section --- */
  .srv-intro {
    flex-direction: column;
    gap: 15px;
  }

  .srv-grid {
    grid-template-columns: 1fr;
  }

  .srv-card {
    padding: 20px;
  }

  /* --- Contact Section --- */
  .c-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .form-box {
    padding: 20px;
  }

  .form-box-title {
    font-size: 1.2rem;
  }

  /* --- Footer --- */
  footer {
    padding: 30px 15px;
    font-size: 0.8rem;
  }
}

/* ─── VERY SMALL PHONES (max-width: 480px) ─── */
@media (max-width: 480px) {
  
  .hero-inner h1 {
    font-size: 1.8rem;
  }

  .sec-h2 {
    font-size: 1.5rem;
  }

  .btn-prim,
  .btn-ghost,
  .btn-download,
  .btn-order {
    font-size: 0.85rem;
    padding: 10px 16px;
  }

  .avatar img {
    width: 100px;
    height: 100px;
  }

  .p-name {
    font-size: 1.1rem;
  }

  .p-role {
    font-size: 0.85rem;
  }

  .software-tags span {
    font-size: 0.65rem;
    padding: 3px 8px;
  }
}